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Jerry G. Miller
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Wheaton, IL, US
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last 30 patents
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Patent Grant
Verification of subscriber lines prior to cutover to a new switchin...
Patent number
5,187,733
Issue date
Feb 16, 1993
AT&T Bell Laboratories
Robert R. Beffel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Method and apparatus for providing a ground reference for telephone...
Patent number
4,679,232
Issue date
Jul 7, 1987
American Telephone and Telegraph Company, AT&T Bell Laboratories
Kenneth L. Brooks
H04 - ELECTRIC COMMUNICATION TECHNIQUE